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H. R. Kricheldorf, S. R. Lee, and N. Scharnagl, Macromolecules, 27, 3139 (1994).
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The experimental procedure was as follows. TBAB (0.096 g, 0.30 mmol) was placed in an ampule under dry atmosphere, and dried under reduced pressure at 60°C for 5 h. PPS (0.623 g, 3.75 mmol) and the initiator (0.097 g, 0.15 mmol) was added into the tube, then the tube was sealed followed by heating at 90°C for 24 h. The reaction mixture was diluted with a small amount of chloroform then poured into methanol. The recovered polymer was reprecipitated in CHCl3/methanol and then collected by decantation and dried under reduced pressure to give final product. Yield=0.767 g (94%). The polymer yield was calculated by the following equation, Yield (%)=[W/(I+T)]×100, in which W is weight of the obtained polymer, I and T are weights of the initiator and the used thiirane monomer, respectively.
IR (neat): 2926 (vC-H), 1663 (vC=O), 1598 (vC=C of Ar), 1239 cm−1 (vC-O-C). 1H NMR (CDCl3): δ 2.95–3.11 (m, 3.0H, S-CH(CH2)CH2O), 3.95–4.23 (m, 2.0H, CH2-OPh), 6.82–7.19 (m, 5.4H, aromatic H), 7.85–7.92 (m, 0.2H, aromatic H).
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Kawakami, S., Kameyama, A., Miyata, M. et al. Center-Propagating Type Polymerization of Thiirane Using an Acyl-Group Transfer Polymerization. Polym J 29, 550–552 (1997). https://doi.org/10.1295/polymj.29.550
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DOI: https://doi.org/10.1295/polymj.29.550